Articles | Volume 20, issue 8
Research article
23 Aug 2016
Research article |  | 23 Aug 2016

Case-based knowledge formalization and reasoning method for digital terrain analysis – application to extracting drainage networks

Cheng-Zhi Qin, Xue-Wei Wu, Jing-Chao Jiang, and A-Xing Zhu

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Cited articles

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Chang, K. and Tsai, B.: The effect of DEM resolution on slope and aspect mapping, Cartogr. Geogr. Inf. Syst., 18, 69–77, 1991.
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Grohmann, C. H.: Effects of spatial resolution on slope and aspect derivation for regional-scale analysis, Comput. Geosci., 77, 111–117, 2015.
Hengl, T. and Reuter, H. I.: Geomorphometry: Concepts, Software, Applications, Elsevier, Amsterdam, 2009.
Short summary
Application of digital terrain analysis (DTA), which is typically a modeling process involving workflow building, relies heavily on DTA domain knowledge. However, the DTA knowledge has not been formalized well to be available for inference in automatic tools. We propose a case-based methodology to solve this problem. This methodology can also be applied to other domains of geographical modeling with a similar situation.